The railway companies complain that only 3% of crashes are caused by the sort of humanerror that PTC is designed to avert and that claims that the system will improve efficiency on the network are unfounded.
The New York Times is reporting that polling places across the country are experiencing difficulties with their voting equipment, and while we'd love to place the blame squarely on shady manufacturers like Diebold, Sequoia, and friends, it seems that the complications are actually due to humanerror as much as faulty hardware.